[SECURITY] [DSA 2165-1] ffmpeg-debian security update

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Debian Security Advisory DSA-2165-1 security@debian.org
http://www.debian.org/security/ Luciano Bello
February 16, 2011 http://www.debian.org/security/faq
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Package : ffmpeg-debian
Vulnerability : buffer overflow
Problem type : remote
Debian-specific: no
CVE ID : CVE-2010-3429 CVE-2010-4704 CVE-2010-4705

Several vulnerabilities have been discovered in FFmpeg coders, which are used by
by MPlayer and other applications.

CVE-2010-3429

Cesar Bernardini and Felipe Andres Manzano reported an arbitrary offset
dereference vulnerability in the libavcodec, in particular in the flic file
format parser. A specific flic file may exploit this vulnerability and execute
arbitrary code. Mplayer is also affected by this problem, as well as other
software that use this library.

CVE-2010-4704

Greg Maxwell discovered an integer overflow the Vorbis decoder in FFmpeg. A
specific ogg file may exploit this vulnerability and execute arbitrary code.

CVE-2010-4705

A potential integer overflow has been discovered in the Vorbis decoder in
FFmpeg.

This upload also fixes an incomplete patch from DSA-2000-1. Michael Gilbert
noticed that there was remaining vulnerabilities, which may cause a denial of
service and potentially execution of arbitrary code.

For the oldstable distribution (lenny), this problem has been fixed in
version 0.svn20080206-18+lenny3.

We recommend that you upgrade your ffmpeg-debian packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

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